Rods Site 2 (Soil), Site 3 (Soil and Sediment), Site 4, Site 6, Site 8, and Site 20 (Soil and Sediment)
NSB - New London OU12, Area A Wetland - Site 2B ROD 1.0 DECLARATION 1.1 SITE NAME AND LOCATION Naval Submarine Base-New London (NSB-NLON) EPA 10 No. CTD980906515 Operable Unit (OU) 12 Area A Wetland - Site 2B Groton, Connecticut 1.2 STATEMENT OF BASIS AND PURPOSE This Record of Decision (ROD) presents the Selected Remedy for sediment at Area A Wetland - Site 2B, OU12 (see Figure 1-1), which was chosen by the Navy and United States Environmental Protection Agency (EPA) in accordance with the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), 42 United States Code (USC) §9601 et seq., as amended by the Superfund Amendments and Reauthorization Act (SARA), and the National Oil and Hazardous Substances Pollution Contingency Plan (NCP), 40 Code of Federal Regulations (CFR) Part 300 et seq., as amended. This decision is based on information contained in the Administrative Record for the site. The Connecticut Department of Environmental Protection (CTDEP) concurs with the Selected Remedy (see Appendix A). o· ,'. \\"',~~ . c;. . , .' .. " " THAMES FIMR" ____ ~N _ -----_.~ 1 Augusl2010 NSB - New London OU12, Area A Wetland - Site 2B ROD 1.3 ASSESSMENT OF SITE The response action selected in this ROD is necessary to protect the public health or welfare or the environment from actual or threatened releases of hazardous substances into the environment A CERCLA action is required because concentrations of polynuclear aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), pesticides, and metals in sediment pose unacceptable risk to current and future to ecological receptors (i.e., sediment invertebrates). Groundwater at Area A Wetland - Site 2B was addressed as part of the Basewide Groundwater Operable Unit 9.
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